Hydralazine Hydrochloride

  • CAT Number: A000980
  • CAS Number: 304-20-1
  • Molecular Formula: C8H9ClN4
  • Molecular Weight: 196.64
  • Purity: ≥95%
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Hydralazine Hydrochloride is a direct-acting vasodilator that is used as an antihypertensive agent. Hydralazine Hydrochloride alters intracellular calcium release and interferes with smooth muscle cell calcium influx, resulting in arterial vasodilatation. This agent also inhibits the phosphorylation of myosin protein and chelation of trace metals required for smooth muscle contraction, resulting in an increase in heart rate, stroke volume and cardiac output. In addition to its cardiovascular effects, hydralazine inhibits DNA methyltransferase, which may result in inhibition of DNA methylation in tumor cells.

Catalog Number A000980
CAS Number 304-20-1
Molecular Formula

C8H9ClN4

Purity 95%
Storage -20°C
InChI 1S/C8H8N4.ClH/c9-11-8-7-4-2-1-3-6(7)5-10-12-8;/h1-5H,9H2,(H,11,12);1H
InChIKey ZUXNZUWOTSUBMN-UHFFFAOYSA-N
SMILES C1=CC=C2C(=C1)C=NN=C2NN.Cl
Reference

1: Ofili E, Anand I, Williams RA, Akinboboye O, Xu L, Puckrein G. Fixed-Dose
Versus Off-Label Combination of Isosorbide Dinitrate Plus Hydralazine
Hydrochloride: Retrospective Propensity-Matched Analysis in Black Medicare
Patients with Heart Failure. Adv Ther. 2017 Aug;34(8):1976-1988. doi:
10.1007/s12325-017-0584-x. Epub 2017 Jul 13. PubMed PMID: 28707284; PubMed
Central PMCID: PMC5565652.
<br>

2: Sharma C, Badyal PN, Rawal RK. Simultaneous Estimation of Hydrochlorothiazide,
Hydralazine Hydrochloride, and Reserpine Using PCA, NAS, and NAS-PCA. Sci Pharm.
2015 Jun 22;83(4):599-610. doi: 10.3797/scipharm.1505-03. Print 2015 Oct-Dec.
PubMed PMID: 26839841; PubMed Central PMCID: PMC4727726.
<br>

3: Mughal MA, Saripella KK, Kouba C, Iqbal Z, Neau SH. Coated hydralazine
hydrochloride beads for sustained release after oral administration. Drug Dev Ind
Pharm. 2013 Sep;39(9):1439-46. doi: 10.3109/03639045.2012.719904. Epub 2012 Oct
12. PubMed PMID: 23057650.
<br>

4: Kinoshita K, Ashenagar MS, Tabuchi M, Higashino H. Whole rat DNA array survey
for candidate genes related to hypertension in kidneys from three spontaneously
hypertensive rat substrains at two stages of age and with hypotensive induction
caused by hydralazine hydrochloride. Exp Ther Med. 2011 Mar;2(2):201-212. Epub
2011 Jan 14. PubMed PMID: 22977489; PubMed Central PMCID: PMC3440673.
<br>

5: Kawamura M, Itoh H, Yura S, Mogami H, Fujii T, Kanayama N, Konishi I.
Angiotensin II receptor blocker candesartan cilexetil, but not hydralazine
hydrochloride, protects against mouse cardiac enlargement resulting from
undernutrition in utero. Reprod Sci. 2009 Oct;16(10):1005-12. doi:
10.1177/1933719109345610. Epub 2009 Aug 21. PubMed PMID: 19700611.
<br>

6: Sica DA. BiDil (isosorbide dinitrate and hydralazine hydrochloride). Congest
Heart Fail. 2006 Mar-Apr;12(2):110-1. PubMed PMID: 16596047.
<br>

7: Ferdinand KC. Isosorbide dinitrate and hydralazine hydrochloride: a review of
efficacy and safety. Expert Rev Cardiovasc Ther. 2005 Nov;3(6):993-1001. Review.
PubMed PMID: 16292990.

<br>
8: Gupta VD. Chemical stability of hydralazine hydrochloride after reconstitution
in 0.9% sodium chloride injection or 5% dextrose injection for infusion. Int J
Pharm Compd. 2005 Sep-Oct;9(5):399-401. PubMed PMID: 23925138.
<br>

9: Junior IE, Masson IB, Ferreira LM, Liebano RE, Baldan C, Gomes AC. [Topical
administration of hydralazine hydrochloride on the viability of randon skin flaps
in rats]. Acta Cir Bras. 2005 Mar-Apr;20(2):164-7. Portuguese. PubMed PMID:
15884718.
<br>

10: Okeke CC, Medwick T, Nairn G, Khuspe S, Grady LT. Stability of hydralazine
hydrochloride in both flavored and non- flavored extemporaneous preparations. Int
J Pharm Compd. 2003 Jul-Aug;7(4):313-9. PubMed PMID: 23979703.

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